Home / 2,610.40-3,602.32-1,491.36

Finding the Fourth Proportional to 2,610.40, 3,602.32 and 1,491.36

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Solution

The fourth proportional to 2,610.40, 3,602.32 and 1,491.36 is: 2,058.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.40 : 3,602.32 = 1,491.36 : x
  2. Step 2: Convert to fraction form
    2,610.40/3,602.32 = 1,491.36/x
  3. Step 3: Cross multiply
    2,610.40x = 3,602.32 × 1,491.36
  4. Step 4: Simplify right side
    2,610.40x = 5,372,355.96
  5. Step 5: Solve for x
    x = 5,372,355.96/2,610.40
  6. Step 6: Final answer
    x = 2,058.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.